Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
1/2 Inch reduced shank with tri-flatted end locks onto 3-jaw power tools chuck more securely and eliminates slips
Set includes 8 pieces 6" long silver & deming drill bits in a heavy duty aluminum storage case for easy carrying and organization: 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"